Construction Machine
US-2026085500-A1 · Mar 26, 2026 · US
Oxidation
Oxidation · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16N2200/02 |
| Official title | Oxidation |
| Display label | Oxidation |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US-12497879-B2 · Dec 16, 2025 · US
Bearing Device
US-2025215934-A1 · Jul 3, 2025 · US
Bearing system comprising a device for introducing an inert gas in the bearing chamber
US-2025075737-A1 · Mar 6, 2025 · US
Real-time system and method for determining remaining useful oil life in vehicles
US-2025035018-A1 · Jan 30, 2025 · US
Engine lubrication oil consumption and condition monitoring
US-11988117-B2 · May 21, 2024 · US
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US-2024093583-A1 · Mar 21, 2024 · US
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US-11859482-B2 · Jan 2, 2024 · US
Diagnosis system of lubricating oil and diagnosis method of lubricating oil
US-11852294-B2 · Dec 26, 2023 · US
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US-2023203927-A1 · Jun 29, 2023 · US
Integrated system and method for automatic rejuvenation of turbine oil for improving equipment reliability
US-11639771-B2 · May 2, 2023 · US
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US-11629584-B2 · Apr 18, 2023 · US
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US-2023055844-A1 · Feb 23, 2023 · US
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US-11530602-B2 · Dec 20, 2022 · US
Diagnosis system of lubricating oil and diagnosis method of lubricating oil
US-2022316653-A1 · Oct 6, 2022 · US
Integrated system and method for automatic rejuvenation of turbine oil for improving equipment reliability
US-2022252220-A1 · Aug 11, 2022 · US
Method and control unit for operating a spark-ignition internal combustion engine or a dual-fuel internal combustion engine operated in the spark-ignition mode
US-11326487-B2 · May 10, 2022 · US
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US-2022112889-A1 · Apr 14, 2022 · US
Engine Lubrication Oil Consumption and Condition Monitoring
US-2022065142-A1 · Mar 3, 2022 · US
Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US-11236739-B2 · Feb 1, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16N2200/02?
- CPC F16N2200/02 is the Cooperative Patent Classification code for “Oxidation.”
- How many patents are filed under CPC F16N2200/02 (Oxidation)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC F16N2200/02 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).